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Ground Laser Target Designator (GLTD) II

The Ground Laser Target Designator (GLTD) II provides ground forces with a compact, lightweight, man-portable laser target designator/rangefinder that is ideally suited for precise delivery of laser guided munitions such as Paveway bombs and Hellfire missiles. Through an RS-422 data link, the GLTD II can be integrated into a digitized, day/night fire control and surveillance system.

Forward Air Controllers (FACs) rely heavily on GPS devices to locate enemy positions and call in fire against targets. For OIF, the 1st Marine Division received 19 Ground Laser Target Designator (GLTD) II systems, which allow the FAC to measure the accurate range to a target and to laze it for LGB employment. In some cases, the systems reached the FAC just hours before crossing the LD. These systems proved invaluable, easy to use, and reliable. The fact that the Marine Corps leased these systems for combat operations validates the requirement for an interim lightweight, durable laser range-finding and designation capability. The system must be fielded in time for units to train with it and in sufficient quantity to equip every FAC or Fire Support Team (FIST). As an incremental step in the acquisition of the Target Locator Designator Handoff System (TLDHS), the Marine Corps should purchase GLTD IIs in quantities to equip all Division air controllers.

Specifications
Performance
  • Laser Type: Nd:YAG
  • Wavelength: 1.064 micrometers
  • Pulse Energy: > 80 Millijoules
  • Pulse-to-Pulse Stability: < 15%
  • Beam Divergence: < 0.3 mrads @ 90% energy
  • Boresight Retention: < 0.25 mrads
  • Modes: Range and Mark (Designate)
  • Operating Temperature: -32 degrees C to +45 degrees C
  • Storage Temparature: -40 degrees C to +71 degrees C
  • Tested to MIL-STD-810 criteria for:
    Vibration, shock, humidity, rain, sand/dust, Salt/fog, immersion

Sighting Optics
  • Magnification: 10x (Nominal)
  • Field of View
          Horizontal: 5 degrees (Nominal)
          Vertical: 4.4 degrees (Nominal)
  • Reticle: 0.2 mrad Open Cross
  • Diopter Adjustments: +2 to -6
  • Exit Pupil: 5mm Diameter (Nominal)
  • Eye Relief: 15 mm (Nominal)

Mark (Designate)
  • Marking: 5 km (Typical)
    (See Litton GLTD Live Fire Report for long distance marking)
  • Pulse Repetition Frequency: NATO Stanag Band I/Band II or Programmable
  • Push Button Selectable
  • Duty Cycle: Continuous operation under most conditions

Ranging
  • Ranging: 200 to 19,995 Meters (+/-5 nominal)
  • Range Counter Logic: Selectable First/Last
  • Range Discrimination: 35 Meters
Physical Characteristics
GLTD (less prime power)
      Weight: < 5.7 kg (12.6 lbs)
      Size: 29 cm L x 34 cm W x 14 cm H
  • NATO Mounting Rail for Night Vision Devices
  • Tripod interface: 1/4" -20 Tapped Hole
  • Tilted Eyepiece: 45 Degrees
  • Fire Control: Manual or Remote
  • Battery Power: 24 volt DC Power Sources Lithium
    Lithium or Re-chargeable NiCad
  • Vehicle Power: 28 volt DC (MIL-STD-1275)

I/O & Data Displays
Data Input/Output: RS-422, Full Duplex
  • Data Output:
          5 digit Range
  • Data Input:
          Fire
          Azimuth: 0 to 359.9 degrees
          (0000 to 6399 Mils)
          Elevation: +/- 22.5 degrees
          (+/- 400 Mils)
Eyepiece Display (Red LED)
  • Range: 5 Digit Display
  • Azimuth and Elevation
  • BIT Indicators for transmit, low battery, overheat, multiple target

Specifications subject to change without notice
Marking and ranging performance dependent on atmospheric and target conditions.




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